Datasheet

dsPIC33EPXXXGM3XX/6XX/7XX
DS70000689D-page 282  2013-2014 Microchip Technology Inc.
FIGURE 19-1: I2Cx BLOCK DIAGRAM (X = 1 OR 2)
Internal
Data Bus
SCLx/ASCLx
SDAx/ASDAx
Shift
Match Detect
Start and Stop
Bit Detect
Clock
Address Match
Clock
Stretching
I2CxTRN
LSb
Shift Clock
BRG Down Counter
Reload
Control
FP/2
Start and Stop
Bit Generation
Acknowledge
Generation
Collision
Detect
I2CxCON
I2CxSTAT
Control Logic
Read
LSb
Write
Read
I2CxBRG
I2CxRSR
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
I2CxMSK
I2CxRCV
I2CxADD